AT32UC3C1512C Automotive Atmel Corporation, AT32UC3C1512C Automotive Datasheet - Page 874

• Manufacturer Part Number: AT32UC3C1512C Automotive
• Manufacturer: Atmel Corporation

32.6.1.5
32.6.1.6
9166C–AVR-08/11
Data management
Pad Suspend
• Host mode
Figure 32-3. Speed Selection in device mode
When the USBC interface is in host mode, internal pull-downs are enabled on both DP and DM.
The interface detects the speed of the connected device and reflects this in the Speed Status
field (USBSTA.SPEED).
Endpoints and pipe buffers can be allocated anywhere in the embedded memory (CPU RAM or
HSB RAM).
See
Figure 32-4
Figure 32-4. Pad Behavior
Figure 32-5
• In Idle state, the pad is in low power consumption mode.
• In Active state, the pad is working.
”RAM management” on page
illustrates the behavior of the USB pad in device mode.
illustrates the pad events leading to a PAD state change.
VBUS
DM
DP
Idle
880.
| DETACH = 1
| Suspend
USBE = 0
& DETACH = 0
& Suspend
USBE = 1
UDCON.DETACH
UDCON.LS
Active
AT32UC3C
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